b8e44cb23cc2d0f48a047279281752fdf80053ae
[WebKit-https.git] / Source / WebCore / platform / mediastream / mac / AVCaptureDeviceManager.h
1 /*
2  * Copyright (C) 2013-2015 Apple Inc. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  */
25
26 #ifndef AVCaptureDeviceManager_h
27 #define AVCaptureDeviceManager_h
28
29 #if ENABLE(MEDIA_STREAM) && USE(AVFOUNDATION)
30
31 #include "CaptureDeviceManager.h"
32 #include "MediaStreamTrackSourcesRequestClient.h"
33 #include "RealtimeMediaSource.h"
34 #include "RealtimeMediaSourceSupportedConstraints.h"
35 #include <wtf/RetainPtr.h>
36 #include <wtf/text/WTFString.h>
37
38 OBJC_CLASS AVCaptureDevice;
39 OBJC_CLASS AVCaptureSession;
40 OBJC_CLASS NSString;
41 OBJC_CLASS WebCoreAVCaptureDeviceManagerObserver;
42
43 namespace WebCore {
44
45 class AVCaptureSessionInfo : public CaptureSessionInfo {
46 public:
47     AVCaptureSessionInfo(AVCaptureSession*);
48     virtual bool supportsVideoSize(const String&) const override;
49     virtual String bestSessionPresetForVideoDimensions(int width, int height) const override;
50
51 private:
52     AVCaptureSession *m_platformSession;
53 };
54
55 class AVCaptureDeviceManager final : public CaptureDeviceManager {
56 public:
57     virtual Vector<CaptureDeviceInfo>& captureDeviceList() override;
58
59     static AVCaptureDeviceManager& singleton();
60
61     virtual RefPtr<RealtimeMediaSource> sourceWithUID(const String&, RealtimeMediaSource::Type, MediaConstraints*) override;
62     virtual Vector<RefPtr<RealtimeMediaSource>> bestSourcesForTypeAndConstraints(RealtimeMediaSource::Type, PassRefPtr<MediaConstraints>) override;
63
64     virtual TrackSourceInfoVector getSourcesInfo(const String&) override;
65     virtual bool verifyConstraintsForMediaType(RealtimeMediaSource::Type, MediaConstraints*, const CaptureSessionInfo*, String&) override;
66
67     void deviceConnected();
68     void deviceDisconnected(AVCaptureDevice*);
69     
70     const RealtimeMediaSourceSupportedConstraints& supportedConstraints();
71
72 protected:
73     static bool isAvailable();
74
75     AVCaptureDeviceManager();
76     virtual ~AVCaptureDeviceManager() override;
77     virtual bool sessionSupportsConstraint(const CaptureSessionInfo*, RealtimeMediaSource::Type, const String& name, const String& value) override;
78     virtual RealtimeMediaSource* createMediaSourceForCaptureDeviceWithConstraints(const CaptureDeviceInfo&, MediaConstraints*) override;
79     virtual CaptureSessionInfo defaultCaptureSession() const override;
80     virtual void refreshCaptureDeviceList() override;
81     virtual bool isSupportedFrameRate(float frameRate) const override;
82
83     void registerForDeviceNotifications();
84
85     RetainPtr<WebCoreAVCaptureDeviceManagerObserver> m_objcObserver;
86     RealtimeMediaSourceSupportedConstraints m_supportedConstraints;
87     Vector<CaptureDeviceInfo> m_devices;
88 };
89
90 } // namespace WebCore
91
92 #endif // ENABLE(MEDIA_STREAM)
93
94 #endif // AVCaptureDeviceManager_h